diff --git a/poem/src/middleware/opentelemetry_metrics.rs b/poem/src/middleware/opentelemetry_metrics.rs
index 5c7c4731e2..87e4b0642a 100644
--- a/poem/src/middleware/opentelemetry_metrics.rs
+++ b/poem/src/middleware/opentelemetry_metrics.rs
@@ -101,7 +101,7 @@ impl<E: Endpoint> Endpoint for OpenTelemetryMetricsEndpoint<E> {
 
         self.request_count.add(&cx, 1, &labels);
         self.duration
-            .record(&cx, elapsed.as_secs_f64() / 1000.0, &labels);
+            .record(&cx, elapsed.as_secs_f64() * 1000.0, &labels);
 
         res
     }